小波阈值去噪具有很强的相关性，通过小波阈值处理，可以将噪声分为对应的小波系数，在经过阈值处理可以滤除，从而达到去噪的效果。(Wavelet threshold denoising has a strong correlation. Through wavelet threshold processing, the noise can be divided into corresponding wavelet coefficients. After threshold processing, th